Introducing dev-mode tunnelbroker configuration file.
To use the local rabbitMQ docker container we are using: `amqp.uri = amqp://comm:comm@rabbitmq` connection string parameter which corresponding the
docker-compose settings.
For the local dynamoDB (localstack) docker image "*-test" tables we are using the `dynamodb` table names section, which contains test table names.
Linear task: ENG-774